BMW DTC P22E5 – Cylinder 4 Alternative Fuel Injector Control Circuit/Open
DTC P22E5 meaning on BMW
The DTC P22E5 code on a BMW indicates an issue with the Cylinder 4 Alternative Fuel Injector Control Circuit being open. This means that there is a malfunction in the control circuit for the alternative fuel injector in cylinder 4 of the engine.
BMW DTC P22E5 symptoms
Symptoms of the DTC P22E5 code on a BMW may include rough idling, engine misfires, decreased fuel efficiency, and potentially an illuminated check engine light on the dashboard.
BMW DTC P22E5 causes
The potential causes of the DTC P22E5 code on a BMW can include a faulty alternative fuel injector, wiring issues in the control circuit, a poor electrical connection, or a problem with the engine control module (ECM).
BMW DTC P22E5 seriousness
While the DTC P22E5 code may not cause immediate drivability issues, it can lead to poor engine performance and decreased fuel efficiency. Ignoring this code can potentially cause further damage to the engine over time.
How to diagnose DTC P22E5 on BMW
To diagnose the DTC P22E5 code on a BMW, a mechanic would typically start by using a diagnostic scanner to retrieve the fault codes stored in the ECM. They would then inspect the wiring and connections related to the Cylinder 4 Alternative Fuel Injector Control Circuit to identify any visible damage or issues. Testing the alternative fuel injector itself may also be necessary to determine if it is functioning correctly.
How to fix DTC P22E5 on BMW
Fixing the DTC P22E5 code on a BMW may involve replacing the faulty alternative fuel injector in cylinder 4, repairing any damaged wiring or connections in the control circuit, or addressing any issues with the ECM. It is recommended to follow the manufacturer’s diagnostic and repair procedures to ensure a proper fix.
How to erase DTC P22E5 on BMW
Once the underlying issue causing the DTC P22E5 code on a BMW has been resolved, the code can be cleared using a diagnostic scanner. This will reset the check engine light and erase the fault code from the ECM’s memory. It is important to ensure that the repair has been successful before clearing the code.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.